You can eat healthily, avoid excess in, well, everything, you can exercise, make all manner of lifestyle changes, but no amount of bran, jogging, or abstinence will change your genes.
So, are you screwed?

...several hundred emergency departments (EDs) closed around the U.S., while the total number of patient visits soared. A 2008 study showed waits to see the ED physician increased 36% between 1997 and 2004. The government's answer: cut funding for urban